About this length converter
Convert metric lengths, inches, feet and miles. Values convert through metres. One inch is exactly 0.0254 m; one foot is 12 inches and one mile is 5,280 feet. Use this workspace to prepare a result you can review before putting it to use. All processing takes place on your device, without an account or an upload of your inputs. Check the examples to understand the expected output, read the limitations for the supported scope, and reset the form when you want to start a separate task.
How the length converter works
Values convert through metres. One inch is exactly 0.0254 m; one foot is 12 inches and one mile is 5,280 feet.
Length Converter examples
1 m → cm
100 cm
1 inch → cm
2.54 cm
Limitations & privacy
Nonnegative values up to 1 trillion. Uses international feet and statute miles, not survey feet or nautical miles. Display uses up to 15 significant digits; floating-point rounding still applies.
Inputs and results stay in this browser. Only tool identifiers are stored for your recently used tools. You can clear that history from the directory.
Length Converter: frequently asked questions
How does the length converter work?
Values convert through metres. One inch is exactly 0.0254 m; one foot is 12 inches and one mile is 5,280 feet.
What can I inspect in the length converter result?
The conversion input audit helps you check the result before using it. Nonnegative values up to 1 trillion. Uses international feet and statute miles, not survey feet or nautical miles. Display uses up to 15 significant digits; floating-point rounding still applies.
Does the length converter upload my input?
Processing happens in your browser. No tool input or output is uploaded to a server. Use Reset to clear the current workspace before starting a separate task.
Updated September 20, 2026